Research

The Science

Clinical breakdowns behind the Day/Night system.

The 24-hour protocol — T1x by day, Z22 by night

Your hormones don't clock off at lunch

Most men's supplements are a single morning pill that quits by noon. Your biology runs on a 24-hour cycle. Here's how to cover all of it.

Your hormones don't clock off at lunch

Most men's supplements are a single morning pill that quits by noon. Your biology runs on a 24-hour cycle. Here's how to cover all of it.